need help on `pprint/write` code with better readability

[Jiyin Yiyong]

I'm using `write` function to generate code very heavily. But small part of the code are hard to read.

So I digged into the options and increased `right-margin` to make it a little better. Here's the changes:

https://github.com/Cirru/sepal.clj/commit/e65e2d3cac8a5c5537716acd12cc475712ab6f66

https://github.com/Quamolit/quamolit/commit/1d2e2a579a3b6741109223faa88c84157035577f

But it turned out the algorithm is doing layout like always appending code in a line, until it reaches right margin.

So if `right-margin` is too big, all the code are in a single line, which is hard to read.

if `right-margin` is too small, then all the code in a column, which is also hard to read.

I think it's not smart enough to make all of my code readable enough, but majority of that is fine.

Is there any solution to improvement the readability at this moment?

Especially for such scenarios:

https://github.com/Quamolit/quamolit/blob/master/src/quamolit/render/expand.cljs#L102

Thanks.

[Alex Miller]

Try something like this:

(require '[clojure.pprint :as pprint])

(defn print-code [o]

  (binding [pprint/*print-right-margin* 100

            pprint/*print-miser-width* 60]

    (pprint/with-pprint-dispatch pprint/code-dispatch

      (pprint/pprint o))))

Or one of the "pretty printer" libraries like fipp or zprint.

[jiyinyiyong]

What does miser-width mean since you set it to 60?

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[Thomas Heller]

Try https://github.com/weavejester/cljfmt 

It is specifically written for clj code and not general pprinter.

/thomas

[jiyinyiyong]

Cool library! But i just changed to fipp this morning. I think I will try it much later. fipp is really fast that it succeeded clojure.pprint/write.

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